Home / 14,282,736.40-19,710,115.28-7,756,320.16

Finding the Fourth Proportional to 14,282,736.40, 19,710,115.28 and 7,756,320.16

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Solution

The fourth proportional to 14,282,736.40, 19,710,115.28 and 7,756,320.16 is: 10,703,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282,736.40 : 19,710,115.28 = 7,756,320.16 : x
  2. Step 2: Convert to fraction form
    14,282,736.40/19,710,115.28 = 7,756,320.16/x
  3. Step 3: Cross multiply
    14,282,736.40x = 19,710,115.28 × 7,756,320.16
  4. Step 4: Simplify right side
    14,282,736.40x = 152,877,964,502,188.06
  5. Step 5: Solve for x
    x = 152,877,964,502,188.06/14,282,736.40
  6. Step 6: Final answer
    x = 10,703,688.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.